What's Behind Door #3?

These side doors used to lead to the kitchen of a restaurant. The restaurant, as I first knew it, was Apollo Pizza and had a selection of Greek goodies as well as the usual Italian offerings. It changed hands several times and eventually became a Curves exercise club for women. Curves failed in this location. The building has been shuttered for almost two years now. The sliding corrugated door that shielded these doors has disappeared within the last two months: Vandals? Strong winds? Who knows...